diff --git a/.eslintrc.js b/.eslintrc.js
index 869e67d..be40176 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,5 +1,5 @@
 module.exports = {
-  extends: ['react-app'],
+  extends: ['next'],
   rules: {
     'react/react-in-jsx-scope': 0,
     'react/jsx-pascal-case': [
diff --git a/package.json b/package.json
index be1e918..a3dac33 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,7 @@
     "start": "next start",
     "start:production": "NODE_ENV=production yarn run start",
     "codegen": "graphql-codegen",
-    "lint": "eslint . --ext ts --ext tsx --ext js"
+    "lint": "next lint"
   },
   "dependencies": {
     "@kichiyaki/roboto": "^1.0.0",
@@ -40,7 +40,7 @@
     "babel-eslint": "^10.0.0",
     "babel-plugin-transform-imports": "^2.0.0",
     "eslint": "^7.5.0",
-    "eslint-config-react-app": "^6.0.0",
+    "eslint-config-next": "^11.0.1",
     "eslint-plugin-flowtype": "^5.2.0",
     "eslint-plugin-import": "^2.22.0",
     "eslint-plugin-jsx-a11y": "^6.3.1",
diff --git a/yarn.lock b/yarn.lock
index b098f45..e235686 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1025,6 +1025,11 @@
   resolved "https://registry.yarnpkg.com/@next/env/-/env-11.0.1.tgz#6dc96ac76f1663ab747340e907e8933f190cc8fd"
   integrity sha512-yZfKh2U6R9tEYyNUrs2V3SBvCMufkJ07xMH5uWy8wqcl5gAXoEw6A/1LDqwX3j7pUutF9d1ZxpdGDA3Uag+aQQ==
 
+"@next/eslint-plugin-next@11.0.1":
+  version "11.0.1"
+  resolved "https://registry.yarnpkg.com/@next/eslint-plugin-next/-/eslint-plugin-next-11.0.1.tgz#5dd3264a40fadcf28eba00d914d69103422bb7e6"
+  integrity sha512-UzdX3y6XSrj9YuASUb/p4sRvfjP2klj2YgIOfMwrWoLTTPJQMh00hREB9Ftr7m7RIxjVSAaaLXIRLdxvq948GA==
+
 "@next/polyfill-module@11.0.1":
   version "11.0.1"
   resolved "https://registry.yarnpkg.com/@next/polyfill-module/-/polyfill-module-11.0.1.tgz#ca2a110c1c44672cbcff6c2b983f0c0549d87291"
@@ -1073,6 +1078,11 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
+"@rushstack/eslint-patch@^1.0.6":
+  version "1.0.6"
+  resolved "https://registry.yarnpkg.com/@rushstack/eslint-patch/-/eslint-patch-1.0.6.tgz#023d72a5c4531b4ce204528971700a78a85a0c50"
+  integrity sha512-Myxw//kzromB9yWgS8qYGuGVf91oBUUJpNvy5eM50sqvmKLbKjwLxohJnkWGTeeI9v9IBMtPLxz5Gc60FIfvCA==
+
 "@samverschueren/stream-to-observable@^0.3.0":
   version "0.3.1"
   resolved "https://registry.yarnpkg.com/@samverschueren/stream-to-observable/-/stream-to-observable-0.3.1.tgz#a21117b19ee9be70c379ec1877537ef2e1c63301"
@@ -1218,6 +1228,16 @@
     "@typescript-eslint/typescript-estree" "4.18.0"
     debug "^4.1.1"
 
+"@typescript-eslint/parser@^4.20.0":
+  version "4.29.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/parser/-/parser-4.29.0.tgz#e5367ca3c63636bb5d8e0748fcbab7a4f4a04289"
+  integrity sha512-+92YRNHFdXgq+GhWQPT2bmjX09X7EH36JfgN2/4wmhtwV/HPxozpCNst8jrWcngLtEVd/4zAwA6BKojAlf+YqA==
+  dependencies:
+    "@typescript-eslint/scope-manager" "4.29.0"
+    "@typescript-eslint/types" "4.29.0"
+    "@typescript-eslint/typescript-estree" "4.29.0"
+    debug "^4.3.1"
+
 "@typescript-eslint/scope-manager@4.18.0":
   version "4.18.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.18.0.tgz#d75b55234c35d2ff6ac945758d6d9e53be84a427"
@@ -1226,11 +1246,24 @@
     "@typescript-eslint/types" "4.18.0"
     "@typescript-eslint/visitor-keys" "4.18.0"
 
+"@typescript-eslint/scope-manager@4.29.0":
+  version "4.29.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/scope-manager/-/scope-manager-4.29.0.tgz#cf5474f87321bedf416ef65839b693bddd838599"
+  integrity sha512-HPq7XAaDMM3DpmuijxLV9Io8/6pQnliiXMQUcAdjpJJSR+fdmbD/zHCd7hMkjJn04UQtCQBtshgxClzg6NIS2w==
+  dependencies:
+    "@typescript-eslint/types" "4.29.0"
+    "@typescript-eslint/visitor-keys" "4.29.0"
+
 "@typescript-eslint/types@4.18.0":
   version "4.18.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.18.0.tgz#bebe323f81f2a7e2e320fac9415e60856267584a"
   integrity sha512-/BRociARpj5E+9yQ7cwCF/SNOWwXJ3qhjurMuK2hIFUbr9vTuDeu476Zpu+ptxY2kSxUHDGLLKy+qGq2sOg37A==
 
+"@typescript-eslint/types@4.29.0":
+  version "4.29.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/types/-/types-4.29.0.tgz#c8f1a1e4441ea4aca9b3109241adbc145f7f8a4e"
+  integrity sha512-2YJM6XfWfi8pgU2HRhTp7WgRw78TCRO3dOmSpAvIQ8MOv4B46JD2chnhpNT7Jq8j0APlIbzO1Bach734xxUl4A==
+
 "@typescript-eslint/typescript-estree@4.18.0":
   version "4.18.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.18.0.tgz#756d3e61da8c16ab99185532c44872f4cd5538cb"
@@ -1244,6 +1277,19 @@
     semver "^7.3.2"
     tsutils "^3.17.1"
 
+"@typescript-eslint/typescript-estree@4.29.0":
+  version "4.29.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/typescript-estree/-/typescript-estree-4.29.0.tgz#af7ab547757b86c91bfdbc54ff86845410856256"
+  integrity sha512-8ZpNHDIOyqzzgZrQW9+xQ4k5hM62Xy2R4RPO3DQxMc5Rq5QkCdSpk/drka+DL9w6sXNzV5nrdlBmf8+x495QXQ==
+  dependencies:
+    "@typescript-eslint/types" "4.29.0"
+    "@typescript-eslint/visitor-keys" "4.29.0"
+    debug "^4.3.1"
+    globby "^11.0.3"
+    is-glob "^4.0.1"
+    semver "^7.3.5"
+    tsutils "^3.21.0"
+
 "@typescript-eslint/visitor-keys@4.18.0":
   version "4.18.0"
   resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.18.0.tgz#4e6fe2a175ee33418318a029610845a81e2ff7b6"
@@ -1252,6 +1298,14 @@
     "@typescript-eslint/types" "4.18.0"
     eslint-visitor-keys "^2.0.0"
 
+"@typescript-eslint/visitor-keys@4.29.0":
+  version "4.29.0"
+  resolved "https://registry.yarnpkg.com/@typescript-eslint/visitor-keys/-/visitor-keys-4.29.0.tgz#1ff60f240def4d85ea68d4fd2e4e9759b7850c04"
+  integrity sha512-LoaofO1C/jAJYs0uEpYMXfHboGXzOJeV118X4OsZu9f7rG7Pr9B3+4HTU8+err81rADa4xfQmAxnRnPAI2jp+Q==
+  dependencies:
+    "@typescript-eslint/types" "4.29.0"
+    eslint-visitor-keys "^2.0.0"
+
 "@xobotyi/scrollbar-width@^1.9.5":
   version "1.9.5"
   resolved "https://registry.yarnpkg.com/@xobotyi/scrollbar-width/-/scrollbar-width-1.9.5.tgz#80224a6919272f405b87913ca13b92929bdf3c4d"
@@ -2041,11 +2095,6 @@ concat-map@0.0.1:
   resolved "https://registry.yarnpkg.com/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
   integrity sha1-2Klr13/Wjfd5OnMDajug1UBdR3s=
 
-confusing-browser-globals@^1.0.10:
-  version "1.0.10"
-  resolved "https://registry.yarnpkg.com/confusing-browser-globals/-/confusing-browser-globals-1.0.10.tgz#30d1e7f3d1b882b25ec4933d1d1adac353d20a59"
-  integrity sha512-gNld/3lySHwuhaVluJUKLePYirM3QNCKzVxqAdhJII9/WXKVX5PURzMVJspS1jTslSqjeuG4KMVTSouit5YPHA==
-
 console-browserify@^1.1.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/console-browserify/-/console-browserify-1.2.0.tgz#67063cef57ceb6cf4993a2ab3a55840ae8c49336"
@@ -2549,12 +2598,20 @@ escape-string-regexp@^4.0.0:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-4.0.0.tgz#14ba83a5d373e3d311e5afca29cf5bfad965bf34"
   integrity sha512-TtpcNJ3XAzx3Gq8sWRzJaVajRs0uVxA2YAkdb1jm2YkPz4G6egUFAyA3n5vtEIZefPk5Wa4UXbKuS5fKkJWdgA==
 
-eslint-config-react-app@^6.0.0:
-  version "6.0.0"
-  resolved "https://registry.yarnpkg.com/eslint-config-react-app/-/eslint-config-react-app-6.0.0.tgz#ccff9fc8e36b322902844cbd79197982be355a0e"
-  integrity sha512-bpoAAC+YRfzq0dsTk+6v9aHm/uqnDwayNAXleMypGl6CpxI9oXXscVHo4fk3eJPIn+rsbtNetB4r/ZIidFIE8A==
+eslint-config-next@^11.0.1:
+  version "11.0.1"
+  resolved "https://registry.yarnpkg.com/eslint-config-next/-/eslint-config-next-11.0.1.tgz#abdd2565a6fa5841556a89ba935f044bec173d0b"
+  integrity sha512-yy63K4Bmy8amE6VMb26CZK6G99cfVX3JaMTvuvmq/LL8/b8vKHcauUZREBTAQ+2DrIvlH4YrFXrkQ1vpYDL9Eg==
   dependencies:
-    confusing-browser-globals "^1.0.10"
+    "@next/eslint-plugin-next" "11.0.1"
+    "@rushstack/eslint-patch" "^1.0.6"
+    "@typescript-eslint/parser" "^4.20.0"
+    eslint-import-resolver-node "^0.3.4"
+    eslint-import-resolver-typescript "^2.4.0"
+    eslint-plugin-import "^2.22.1"
+    eslint-plugin-jsx-a11y "^6.4.1"
+    eslint-plugin-react "^7.23.1"
+    eslint-plugin-react-hooks "^4.2.0"
 
 eslint-import-resolver-node@^0.3.4:
   version "0.3.4"
@@ -2564,6 +2621,17 @@ eslint-import-resolver-node@^0.3.4:
     debug "^2.6.9"
     resolve "^1.13.1"
 
+eslint-import-resolver-typescript@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/eslint-import-resolver-typescript/-/eslint-import-resolver-typescript-2.4.0.tgz#ec1e7063ebe807f0362a7320543aaed6fe1100e1"
+  integrity sha512-useJKURidCcldRLCNKWemr1fFQL1SzB3G4a0li6lFGvlc5xGe1hY343bvG07cbpCzPuM/lK19FIJB3XGFSkplA==
+  dependencies:
+    debug "^4.1.1"
+    glob "^7.1.6"
+    is-glob "^4.0.1"
+    resolve "^1.17.0"
+    tsconfig-paths "^3.9.0"
+
 eslint-module-utils@^2.6.1:
   version "2.6.1"
   resolved "https://registry.yarnpkg.com/eslint-module-utils/-/eslint-module-utils-2.6.1.tgz#b51be1e473dd0de1c5ea638e22429c2490ea8233"
@@ -2580,7 +2648,7 @@ eslint-plugin-flowtype@^5.2.0:
     lodash "^4.17.15"
     string-natural-compare "^3.0.1"
 
-eslint-plugin-import@^2.22.0:
+eslint-plugin-import@^2.22.0, eslint-plugin-import@^2.22.1:
   version "2.23.4"
   resolved "https://registry.yarnpkg.com/eslint-plugin-import/-/eslint-plugin-import-2.23.4.tgz#8dceb1ed6b73e46e50ec9a5bb2411b645e7d3d97"
   integrity sha512-6/wP8zZRsnQFiR3iaPFgh5ImVRM1WN5NUWfTIRqwOdeiGJlBcSk82o1FEVq8yXmy4lkIzTo7YhHCIxlU/2HyEQ==
@@ -2601,7 +2669,7 @@ eslint-plugin-import@^2.22.0:
     resolve "^1.20.0"
     tsconfig-paths "^3.9.0"
 
-eslint-plugin-jsx-a11y@^6.3.1:
+eslint-plugin-jsx-a11y@^6.3.1, eslint-plugin-jsx-a11y@^6.4.1:
   version "6.4.1"
   resolved "https://registry.yarnpkg.com/eslint-plugin-jsx-a11y/-/eslint-plugin-jsx-a11y-6.4.1.tgz#a2d84caa49756942f42f1ffab9002436391718fd"
   integrity sha512-0rGPJBbwHoGNPU73/QCLP/vveMlM1b1Z9PponxO87jfr6tuH5ligXbDT6nHSSzBC8ovX2Z+BQu7Bk5D/Xgq9zg==
@@ -2618,7 +2686,7 @@ eslint-plugin-jsx-a11y@^6.3.1:
     jsx-ast-utils "^3.1.0"
     language-tags "^1.0.5"
 
-eslint-plugin-react-hooks@^4.0.8:
+eslint-plugin-react-hooks@^4.0.8, eslint-plugin-react-hooks@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/eslint-plugin-react-hooks/-/eslint-plugin-react-hooks-4.2.0.tgz#8c229c268d468956334c943bb45fc860280f5556"
   integrity sha512-623WEiZJqxR7VdxFCKLI6d6LLpwJkGPYKODnkH3D7WpOG5KM8yWueBd8TLsNAetEJNF5iJmolaAKO3F8yzyVBQ==
@@ -2640,6 +2708,24 @@ eslint-plugin-react@^7.20.3:
     resolve "^1.18.1"
     string.prototype.matchall "^4.0.2"
 
+eslint-plugin-react@^7.23.1:
+  version "7.24.0"
+  resolved "https://registry.yarnpkg.com/eslint-plugin-react/-/eslint-plugin-react-7.24.0.tgz#eadedfa351a6f36b490aa17f4fa9b14e842b9eb4"
+  integrity sha512-KJJIx2SYx7PBx3ONe/mEeMz4YE0Lcr7feJTCMyyKb/341NcjuAgim3Acgan89GfPv7nxXK2+0slu0CWXYM4x+Q==
+  dependencies:
+    array-includes "^3.1.3"
+    array.prototype.flatmap "^1.2.4"
+    doctrine "^2.1.0"
+    has "^1.0.3"
+    jsx-ast-utils "^2.4.1 || ^3.0.0"
+    minimatch "^3.0.4"
+    object.entries "^1.1.4"
+    object.fromentries "^2.0.4"
+    object.values "^1.1.4"
+    prop-types "^15.7.2"
+    resolve "^2.0.0-next.3"
+    string.prototype.matchall "^4.0.5"
+
 eslint-scope@^5.0.0, eslint-scope@^5.1.1:
   version "5.1.1"
   resolved "https://registry.yarnpkg.com/eslint-scope/-/eslint-scope-5.1.1.tgz#e786e59a66cb92b3f6c1fb0d508aab174848f48c"
@@ -4520,7 +4606,16 @@ object.entries@^1.1.2:
     es-abstract "^1.18.0-next.1"
     has "^1.0.3"
 
-object.fromentries@^2.0.2:
+object.entries@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/object.entries/-/object.entries-1.1.4.tgz#43ccf9a50bc5fd5b649d45ab1a579f24e088cafd"
+  integrity sha512-h4LWKWE+wKQGhtMjZEBud7uLGhqyLwj8fpHOarZhD2uY3C9cRtk57VQ89ke3moByLXMedqs3XCHzyb4AmA2DjA==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.2"
+
+object.fromentries@^2.0.2, object.fromentries@^2.0.4:
   version "2.0.4"
   resolved "https://registry.yarnpkg.com/object.fromentries/-/object.fromentries-2.0.4.tgz#26e1ba5c4571c5c6f0890cef4473066456a120b8"
   integrity sha512-EsFBshs5RUUpQEY1D4q/m59kMfz4YJvxuNCJcv/jWwOJr34EaVnG11ZrZa0UHB3wnzV1wx8m58T4hQL8IuNXlQ==
@@ -4530,7 +4625,7 @@ object.fromentries@^2.0.2:
     es-abstract "^1.18.0-next.2"
     has "^1.0.3"
 
-object.values@^1.1.1, object.values@^1.1.3:
+object.values@^1.1.1, object.values@^1.1.3, object.values@^1.1.4:
   version "1.1.4"
   resolved "https://registry.yarnpkg.com/object.values/-/object.values-1.1.4.tgz#0d273762833e816b693a637d30073e7051535b30"
   integrity sha512-TnGo7j4XSnKQoK3MfvkzqKCi0nVe/D9I9IjwTNYdb/fxYHpjrluHVOgw0AF6jrRFGMPHdfuidR09tIDiIvnaSg==
@@ -5235,7 +5330,7 @@ resolve-from@^4.0.0:
   resolved "https://registry.yarnpkg.com/resolve-from/-/resolve-from-4.0.0.tgz#4abcd852ad32dd7baabfe9b40e00a36db5f392e6"
   integrity sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==
 
-resolve@^1.10.0, resolve@^1.12.0, resolve@^1.13.1, resolve@^1.18.1, resolve@^1.20.0:
+resolve@^1.10.0, resolve@^1.12.0, resolve@^1.13.1, resolve@^1.17.0, resolve@^1.18.1, resolve@^1.20.0:
   version "1.20.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.20.0.tgz#629a013fb3f70755d6f0b7935cc1c2c5378b1975"
   integrity sha512-wENBPt4ySzg4ybFQW2TT1zMQucPK95HSh/nq2CFTZVOGut2+pQvSsgtda4d26YrYcr067wjbmzOG8byDPBX63A==
@@ -5243,6 +5338,14 @@ resolve@^1.10.0, resolve@^1.12.0, resolve@^1.13.1, resolve@^1.18.1, resolve@^1.2
     is-core-module "^2.2.0"
     path-parse "^1.0.6"
 
+resolve@^2.0.0-next.3:
+  version "2.0.0-next.3"
+  resolved "https://registry.yarnpkg.com/resolve/-/resolve-2.0.0-next.3.tgz#d41016293d4a8586a39ca5d9b5f15cbea1f55e46"
+  integrity sha512-W8LucSynKUIDu9ylraa7ueVZ7hc0uAgJBxVsQSKOXOyle8a93qXhcz+XAXZ8bIq2d6i4Ehddn6Evt+0/UwKk6Q==
+  dependencies:
+    is-core-module "^2.2.0"
+    path-parse "^1.0.6"
+
 responselike@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/responselike/-/responselike-1.0.2.tgz#918720ef3b631c5642be068f15ade5a46f4ba1e7"
@@ -5362,6 +5465,13 @@ semver@^7.2.1, semver@^7.3.2:
   dependencies:
     lru-cache "^6.0.0"
 
+semver@^7.3.5:
+  version "7.3.5"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-7.3.5.tgz#0b621c879348d8998e4b0e4be94b3f12e6018ef7"
+  integrity sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==
+  dependencies:
+    lru-cache "^6.0.0"
+
 sentence-case@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/sentence-case/-/sentence-case-3.0.4.tgz#3645a7b8c117c787fde8702056225bb62a45131f"
@@ -5679,6 +5789,20 @@ string.prototype.matchall@^4.0.2:
     regexp.prototype.flags "^1.3.1"
     side-channel "^1.0.4"
 
+string.prototype.matchall@^4.0.5:
+  version "4.0.5"
+  resolved "https://registry.yarnpkg.com/string.prototype.matchall/-/string.prototype.matchall-4.0.5.tgz#59370644e1db7e4c0c045277690cf7b01203c4da"
+  integrity sha512-Z5ZaXO0svs0M2xd/6By3qpeKpLKd9mO4v4q3oMEQrk8Ck4xOD5d5XeBOOjGrmVZZ/AHB1S0CgG4N5r1G9N3E2Q==
+  dependencies:
+    call-bind "^1.0.2"
+    define-properties "^1.1.3"
+    es-abstract "^1.18.2"
+    get-intrinsic "^1.1.1"
+    has-symbols "^1.0.2"
+    internal-slot "^1.0.3"
+    regexp.prototype.flags "^1.3.1"
+    side-channel "^1.0.4"
+
 string.prototype.trimend@^1.0.4:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/string.prototype.trimend/-/string.prototype.trimend-1.0.4.tgz#e75ae90c2942c63504686c18b287b4a0b1a45f80"
@@ -5978,7 +6102,7 @@ tslib@~2.2.0:
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-2.2.0.tgz#fb2c475977e35e241311ede2693cee1ec6698f5c"
   integrity sha512-gS9GVHRU+RGn5KQM2rllAlR3dU6m7AcpJKdtH8gFvQiC4Otgk98XnmMU+nZenHt/+VhnBPWwgrJsyrdcw6i23w==
 
-tsutils@^3.17.1:
+tsutils@^3.17.1, tsutils@^3.21.0:
   version "3.21.0"
   resolved "https://registry.yarnpkg.com/tsutils/-/tsutils-3.21.0.tgz#b48717d394cea6c1e096983eed58e9d61715b623"
   integrity sha512-mHKK3iUXL+3UF6xL5k0PEhKRUBKPBCv/+RkEOpjRWxxx27KKRBmmA60A9pgOUvMi8GKhRMPEmjBRPzs2W7O1OA==